Locking and unlocking device



FIG. 1 is a front perspective view of a locking and unlocking deviceshowing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a right side elevational view thereof;

FIG. 9 is a front perspective view of another embodiment thereof;

FIG. 10 is a rear perspective view thereof;

FIG. 11 is a front elevational view thereof;

FIG. 12 is a rear elevational view thereof;

FIG. 13 is a left side elevational view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a bottom plan view thereof; and,

FIG. 16 is a right side elevational view thereof.

CLAIM I claim, the ornamental design for a locking and unlocking device,as shown and described.